Table 1.

Concentration and apparent rates of Bisphenol A migrating into water from bottles

ID Number	Material	Brand	Conc. (ng ml−1)	Migration (ng hr−1)
1	Polycarbonate	Nalgene	0.306 ± 0.060	0.240 ± 0.033
2			0.178 ± 0.028	0.154 ± 0.021
3			0.199 ± 0.024	0.170 ± 0.017
4			0.251 ± 0.066	0.216 ± 0.044
1	Tritan™	Nalgene	0.007 ± 0.005	0.007 ±0.003
2			0.008 ± 0.002	0.005 ±0.001
3			0.008 ± 0.003	0.006 ±0.002
1	Stainless steel	SteelWorks	0.026 ± 0.023	0.014 ± 0.007
2		Sigg	0.056 ± 0.018	0.043 ± 0.012
3			0.010 ± 0.004	0.009 ± 0.003
1	Al EcoCare™	Sigg	0.006 ± 0.003	0.005 ± 0.001
2			0.028 ± 0.008	0.021 ± 0.002
3			0.016 ± 0.001	0.014 ± 0.005
4			0.016 ± 0.001	0.013 ± 0.004
1A	Al/Epoxy	Sigg	0.140 ± 0.014	0.120 ± 0.005
2A			0.131 ± 0.019	0.151 ± 0.005
3A			0.091 ± 0.004	0.075 ± 0.001
4A			0.081 ± 0.015	0.065 ± 0.011
5A			0.104 ± 0.022	0.094 ± 0.006
6A			0.059 ± 0.019	0.044 ± 0.009
1B	Al/Epoxy	New Balance	1.902 ± 0.522	1.710 ± 0.311
2B			0.767 ± 0.058	0.658 ± 0.016
3B			0.931 ± 0.211	0.840 ± 0.080
4B			1.305 ± 0.979	1.072 ± 0.072

Values are shown ± standard deviation; n = 3; Al: aluminum; conc: concentration